<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="http://www.tmooc.cn">
    用户名:<input type="text" name="username" maxlength="5" value="abc" readonly placeholder="用户名" ><br>
    密码:<input type="password" name="password" placeholder="密码"><br>
    性别:<input type="radio" name="gender" value="f" id="f1">
    <label for="f1">男</label>
    <input type="radio" name="gender" checked value="w" id="w1">
    <label for="w1">女</label>
    兴趣爱好:<input type="checkbox" name="hobby" value="cy">抽烟
    <input type="checkbox" name="hobby" checked value="hj">喝酒
    <input type="checkbox" name="hobby" value="tt">烫头<br>
    生日:<input type="date" name="birthday"><br>
    靓照:<input type="file" name="picture"><br>
    所在地:
    <select name="city">
        <option value="bj">北京</option>
        <option selected value="sh">上海</option>
        <option value="gz">广州</option>
    </select><br>
    <input type="submit" value="注册">
    <input type="reset" value="重置">
    <input type="button" value="按钮">
    <hr>
    <button value="submit">注册</button>
    <button value="reset">重置</button>
    <button value="button">按钮</button>
</form>
<h1>分区标签</h1>
<div>div1</div>
<div>div2</div>
<div>div3</div>
<span>span1</span>
<span>span2</span>
<span>span3</span>

</body>
</html>